5-Axis CNC & Horological Architecture
The Custom Rolex Cosmograph Daytona Gibeon Meteorite Dial & Black Cerachrom Bezel on Oysterflex 18K Yellow Gold Reference 126518LN is a 5-axis Swiss CNC commission machined in 18K Yellow Gold Au750 (40.0 mm x 11.9 mm) weighing 160.4g on our Mettler-Toledo analytical balance, driven by Rolex Manufacture Cal. 4131 - 72h Power Reserve regulated to +0.7 s/d, 298 deg at 28,800 vph with a 72-hour power reserve beneath a double anti-reflective sapphire crystal.
| 01 / CNC Blueprint Entity & Reference | Rolex — Oyster Perpetual Cosmograph Daytona | Ref. 126518LN | SKU: AT-AU750-126518LN-W713 |
|---|---|
| 02 / 5-Axis CNC Metallurgy & Gold Purity | 18K Yellow Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| 03 / Analytical Bench Weight (1:1 Reference Mass) | 160.4g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| 04 / Custom Bezel, Gem-Setting & Case Geometry | Monobloc Black Cerachrom Ceramic Tachymeter Bezel with 18K Yellow Gold Graduations • 160.4g 18K Yellow Gold • 40.0 mm x 11.9 mm |
| 05 / Regulated Super Clone Movement Calibre | Rolex Manufacture Cal. 4131 - 72h Power Reserve — Swiss Super Clone Mechanical Calibre Regulated to +0.7 s/d, 298 deg |
| 06 / Barrel Power Reserve & Balance Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| 07 / Optical Sapphire Crystal (Double AR) & Sealing | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 100m / 330 ft - Triplock Screw-Down |
| 08 / Bespoke Dial & Integrated Bracelet Spec | 40.0 mm x 11.9 mm • Authentic Slice of Extraterrestrial Gibeon Metallic Iron-Nickel Meteorite with Acid-Etched Widmanstatten Crystalline Lattice Structure • Oysterflex High-Performance Elastomer Strap with Solid 18K Yellow Gold Oysterlock Folding Safety Clasp |
Engineered inside our Geneva 5-axis CNC Rolex custom atelier, the Custom Rolex Cosmograph Daytona Gibeon Meteorite Dial & Black Cerachrom Bezel on Oysterflex 18K Yellow Gold Reference 126518LN is machined from solid 18K Yellow Gold Au750 billets to micron-level tolerances (40.0 mm x 11.9 mm). Every bevel, lug chamfer, and Authentic Slice of Extraterrestrial Gibeon Metallic Iron-Nickel Meteorite with Acid-Etched Widmanstatten Crystalline Lattice Structure is hand-finished on our watchmaker bench, yielding a certified reference weight of 160.4g verified under our Fischer XRF and Mettler-Toledo QC protocol.
How Is the Authentic Gibeon Meteorite Widmanstatten Dial Crafted on Rolex Ref. 126518LN?
The Rolex Cosmograph Daytona Reference 126518LN features a genuine extraterrestrial Gibeon iron-nickel meteorite dial displaying an acid-etched Widmanstatten crystalline lattice pattern inside a 40.0 mm x 11.9 mm 18K Yellow Gold Au750 case weighing 160.4g, because octahedral nickel-iron crystals cool over millions of years in space to form unique non-repeating metallic striations.
5 Core CNC & Chronometric Specifications:
- Blueprint Reference: Custom Rolex Cosmograph Daytona Gibeon Meteorite Dial & Black Cerachrom Bezel on Oysterflex 18K Yellow Gold — Official Ref. 126518LN (SKU: AT-AU750-126518LN-W713).
- 5-Axis CNC Metallurgy: 18K Yellow Gold Au750 case (40.0 mm x 11.9 mm) and Monobloc Black Cerachrom Ceramic Tachymeter Bezel with 18K Yellow Gold Graduations with hand-polished chamfers.
- Verified Bench Mass: 160.4g confirmed on a Mettler-Toledo analytical gram scale prior to dispatch.
- Super Clone Calibre: Rolex Manufacture Cal. 4131 - 72h Power Reserve operating at 28,800 vph (4 Hz) with 72-hour power reserve and +0.7 s/d, 298 deg accuracy.
- Sapphire Optics & Sizing: Double anti-reflective sapphire crystal, 100m / 330 ft - Triplock Screw-Down sealing, and 19 wrist sizing options (14.0–22.0 cm).
Within the Rolex Cosmograph Daytona horological sub-silo, collectors also compare the Rolex Cosmograph Daytona Blue Sodalite Stone Dial 18K White Gold Ref. 116589SACI (153.2g) and the Rolex Cosmograph Daytona Tiffany Blue Dial 18K Yellow Gold Ref. 126518LN (160.5g).
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- Metallurgical & 4K QC Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
How is the 18K Yellow Gold case of this Rolex 126518LN machined?
Our Geneva CNC specialists mill the monobloc middle case, bezel, and bracelet geometry on 5-axis Swiss machining centers in 18K Yellow Gold Au750 to achieve the authentic 160.4g reference mass.
Can the bracelet or strap be pre-sized to my exact wrist circumference?
Yes. Choose from 19 precision wrist circumference options (14.0 cm to 22.0 cm, or full unsized factory length). All removed solid links are sealed inside your presentation box.
How is the Rolex Manufacture Cal. 4131 - 72h Power Reserve tested on the atelier workbench?
We record a personalized 4K bench video showing the Rolex Manufacture Cal. 4131 - 72h Power Reserve (28,800 vph, 72-hour reserve) running at +0.7 s/d, 298 deg on our Witschi Chronoscope alongside Fischer XRF and Mettler-Toledo gram scale verification.
Is the dial on Rolex Ref. 126518LN crafted from real Gibeon iron-nickel meteorite?
Yes. Each Rolex Cosmograph Daytona Ref. 126518LN dial is sliced from genuine Gibeon metallic meteorite and acid-etched to reveal the natural Widmanstatten crystalline lattice inside our 160.4g 18K Yellow Gold Au750 case.
Custom Rolex Cosmograph Daytona Gibeon Meteorite Dial & Black Cerachrom Bezel on Oysterflex 18K Yellow Gold Ref. 126518LN
5-Axis Swiss CNC 18K Yellow Gold Au750 • 160.4g Verified Mass • Regulated Rolex Manufacture Cal. 4131 - 72h Power Reserve